Home / 689,619,563.60-1,034,429,345.40-567,175,557.20

Finding the Fourth Proportional to 689,619,563.60, 1,034,429,345.40 and 567,175,557.20

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Solution

The fourth proportional to 689,619,563.60, 1,034,429,345.40 and 567,175,557.20 is: 850,763,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,619,563.60 : 1,034,429,345.40 = 567,175,557.20 : x
  2. Step 2: Convert to fraction form
    689,619,563.60/1,034,429,345.40 = 567,175,557.20/x
  3. Step 3: Cross multiply
    689,619,563.60x = 1,034,429,345.40 × 567,175,557.20
  4. Step 4: Simplify right side
    689,619,563.60x = 586,703,040,361,276,288
  5. Step 5: Solve for x
    x = 586,703,040,361,276,288/689,619,563.60
  6. Step 6: Final answer
    x = 850,763,335.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.